Append an item to a list , creating a new list or combine two lists
     
    
    
    Arguments
- lst
- list to which you will append the 2nd item 
- obj
- to be added to the list 
 
    
    Value
    outputs the appended list
     
    
    Author
    Avants BB, the internet
     
    
    Examples
    
mat <- replicate(100, rnorm(20))
mat2 <- replicate(100, rnorm(20))
mylist <- list(mat)
mylist <- lappend(mylist, mat2)
mylist <- lappend(mat2, mylist)
mylist <- lappend(mylist, mylist)
lappend(1, 1)
#> [1] 1 1